PRODUCTION OF CARBONIC ACID-CONTAINING HYDROXY APATITE

PRODUCTION OF CARBONIC ACID-CONTAINING HYDROXY APATITE

PURPOSE:To obtain the titled hydroxy apatite having improved affinity for organisms in a short time easily and economically, by adding a mixture of CaCO3-containing slaked lime and CaCO3 to slurry of CaHPO4 and water, and reacting them under a specific condition. CONSTITUTION:Slurry solution of CaHP...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAKAHARA HIROMI, NAKASO YASUJI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:PURPOSE:To obtain the titled hydroxy apatite having improved affinity for organisms in a short time easily and economically, by adding a mixture of CaCO3-containing slaked lime and CaCO3 to slurry of CaHPO4 and water, and reacting them under a specific condition. CONSTITUTION:Slurry solution of CaHPO4 and water is heated to 60-100 deg.C, slurry of a mixture of Ca(OH)2 and CaCO3, having 2-25mol% CaCO3, is gradually added to and reacted with the slurry solution while keeping the slurry of the mixture at